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2019/03/24, 01:32:38


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Author [EN] [PL] [ES] [PT] [IT] [DE] [FR] [NL] [TR] [SR] [AR] [RU] Topic: Help with bluetooth dongle  (Read 613 times)

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Offline effo

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Help with bluetooth dongle
« on: 2018/03/02, 23:13:57 »
I just got my myself a Asus USB-BT400 bluetooth dongle.
After inserting it, the dongle is found:

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root@siductionbox:/lib/firmware# lsusb  Bus 009 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 006 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 008 Device 002: ID 1b1c:1b09 Corsair 
Bus 008 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 005 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 007 Device 005: ID 0b05:17cb ASUSTek Computer, Inc. Broadcom BCM20702A0 Bluetooth

dmesg tells me

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bluetooth hci0: Direct firmware load for brcm/BCM20702A1-0b05-17cb.hcd failed with error -2

I googled the chipset and it doesn't look like the firmware is included in bluez-firmware.

I found instructions (https://plugable.com/2014/06/23/plugable-usb-bluetooth-adapter-solving-hfphsp-profile-issues-on-linux) on how to load firmware, reaneme it correctly and put it in /lib/firmware/brcm

Is this the correct way of getting this device working?

Offline devil

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Re: Help with bluetooth dongle
« Reply #1 on: 2018/03/03, 08:00:48 »
Not  knowing the device I can say: Adding firmware manualy to /lib/firmware is a legit way to get devices working when firmware is not automaticaly included.

Offline effo

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Re: Help with bluetooth dongle
« Reply #2 on: 2018/03/03, 13:33:29 »
Thanks devil, after +10 years with Linux I still feel uncertain about what is legit to do and what is not.


Adding the firmware and renaming it resolved the issue. Now I can use bluetoothctl to pair and connect to a bluetooth speaker. But I can't get any sound to it. If I open up Multimedia in System Settings, the speaker is available as a playback device, but it is grayed out. What am I doing wrong?

Offline piper

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Re: Help with bluetooth dongle
« Reply #3 on: 2018/03/03, 16:53:39 »
Maybe

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pulseaudio-module-bluetooth
If not installed ?, It should be by default
"We're all grown up and don't freak out when a piece of text contains the word 'fuck'. I still don't understand why people think that the word 'fuck' is what would keep certain groups from contributing to the Linux kernel. In all seriousness, it doesn't."

John Paul Adrian Glaubitz

Offline ghstryder

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Re: Help with bluetooth dongle
« Reply #4 on: 2018/03/03, 17:15:39 »
There are a lot of things that can be found via google, but to connect to my bluetooth earbuds I found the easiest way is to switch using Pavucontrol. My settings in multimedia were grayed out as well. When I'm finished I switch back to the speakers.


Offline effo

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Re: Help with bluetooth dongle
« Reply #5 on: 2018/03/11, 17:14:30 »
Once I realized that I haf to use profile "Off" for other devices in  pavucontrol / system settings I finally got my speaker working. Thanks for input!